Home / 1,379,169.30-2,069,920.35-622,175.70

Finding the Fourth Proportional to 1,379,169.30, 2,069,920.35 and 622,175.70

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Solution

The fourth proportional to 1,379,169.30, 2,069,920.35 and 622,175.70 is: 933,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,169.30 : 2,069,920.35 = 622,175.70 : x
  2. Step 2: Convert to fraction form
    1,379,169.30/2,069,920.35 = 622,175.70/x
  3. Step 3: Cross multiply
    1,379,169.30x = 2,069,920.35 × 622,175.70
  4. Step 4: Simplify right side
    1,379,169.30x = 1,287,854,142,705.49
  5. Step 5: Solve for x
    x = 1,287,854,142,705.49/1,379,169.30
  6. Step 6: Final answer
    x = 933,789.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.